import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/User/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import Goods from '../components/goods/Goods.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'


Vue.use(VueRouter)

const routes = [{
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect:'/welcome',
    children:[
    {path:'/welcome',component:Welcome},
    {path:'/users',component:Users},
    {path:'/rights',component:Rights},
    {path:'/roles',component:Roles},
    {path:'/categories',component:Cate},
    {path:'/params',component:Params},
    {path:'/goods',component:Goods},
    {path:'/goods/add',component:Add},
    {path:'/orders',component:Order},
    {path:'/reports',component:Report}
  ]
  },
  
]

const router = new VueRouter({
  routes
})

//挂载路由导航守卫
router.beforeEach((to, from, next) => {
  //to 要访问的路径
  //from 从哪里访问
  //next 函数 代表放行
  // next() 放行 next('/login') 强制跳转

  if (to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
